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hevc_parser.c File Reference
#include "libavutil/common.h"
#include "golomb.h"
#include "hevc.h"
#include "parser.h"

Go to the source code of this file.

Data Structures

struct  HEVCParserContext
 

Macros

#define START_CODE   0x000001
 start_code_prefix_one_3bytes More...
 
#define IS_IRAP_NAL(nal)   (nal->type >= 16 && nal->type <= 23)
 
#define ADVANCED_PARSER   CONFIG_HEVC_DECODER
 

Functions

static int hevc_parse_slice_header (AVCodecParserContext *s, HEVCNAL *nal, AVCodecContext *avctx)
 
static int parse_nal_units (AVCodecParserContext *s, const uint8_t *buf, int buf_size, AVCodecContext *avctx)
 
static int hevc_find_frame_end (AVCodecParserContext *s, const uint8_t *buf, int buf_size)
 Find the end of the current frame in the bitstream. More...
 
static int hevc_parse (AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
 
static int hevc_split (AVCodecContext *avctx, const uint8_t *buf, int buf_size)
 
static void hevc_parser_close (AVCodecParserContext *s)
 

Variables

AVCodecParser ff_hevc_parser
 

Macro Definition Documentation

#define START_CODE   0x000001

start_code_prefix_one_3bytes

Definition at line 29 of file hevc_parser.c.

Referenced by hevc_find_frame_end(), and hevc_split().

#define IS_IRAP_NAL (   nal)    (nal->type >= 16 && nal->type <= 23)

Definition at line 31 of file hevc_parser.c.

Referenced by hevc_parse_slice_header().

#define ADVANCED_PARSER   CONFIG_HEVC_DECODER

Definition at line 33 of file hevc_parser.c.

Function Documentation

static int hevc_parse_slice_header ( AVCodecParserContext s,
HEVCNAL nal,
AVCodecContext avctx 
)
static

Definition at line 49 of file hevc_parser.c.

Referenced by parse_nal_units().

static int parse_nal_units ( AVCodecParserContext s,
const uint8_t buf,
int  buf_size,
AVCodecContext avctx 
)
static

Definition at line 85 of file hevc_parser.c.

Referenced by hevc_parse().

static int hevc_find_frame_end ( AVCodecParserContext s,
const uint8_t buf,
int  buf_size 
)
static

Find the end of the current frame in the bitstream.

Returns
the position of the first byte of the next frame, or END_NOT_FOUND

Definition at line 136 of file hevc_parser.c.

Referenced by hevc_parse().

static int hevc_parse ( AVCodecParserContext s,
AVCodecContext avctx,
const uint8_t **  poutbuf,
int *  poutbuf_size,
const uint8_t buf,
int  buf_size 
)
static

Definition at line 380 of file hevc_parser.c.

static int hevc_split ( AVCodecContext avctx,
const uint8_t buf,
int  buf_size 
)
static

Definition at line 413 of file hevc_parser.c.

static void hevc_parser_close ( AVCodecParserContext s)
static

Definition at line 445 of file hevc_parser.c.

Variable Documentation

AVCodecParser ff_hevc_parser
Initial value:
= {
.codec_ids = { AV_CODEC_ID_HEVC },
.priv_data_size = sizeof(HEVCParserContext),
.parser_parse = hevc_parse,
.parser_close = hevc_parser_close,
}
static int hevc_split(AVCodecContext *avctx, const uint8_t *buf, int buf_size)
Definition: hevc_parser.c:413
static char * split(char *message, char delim)
Definition: af_channelmap.c:81
static int hevc_parse(AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
Definition: hevc_parser.c:380
static void hevc_parser_close(AVCodecParserContext *s)
Definition: hevc_parser.c:445

Definition at line 484 of file hevc_parser.c.